38315465863 has 4 divisors (see below), whose sum is σ = 38800471840. Its totient is φ = 37830459888.

The previous prime is 38315465843. The next prime is 38315465899. The reversal of 38315465863 is 36856451383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38315465863 - 2⁵ = 38315465831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38315465863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38315465833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242502870 + ... + 242503027.

It is an arithmetic number, because the mean of its divisors is an integer number (9700117960).

Almost surely, 2^38315465863 is an apocalyptic number.

38315465863 is a deficient number, since it is larger than the sum of its proper divisors (485005977).

38315465863 is an equidigital number, since it uses as much as digits as its factorization.

38315465863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485005976.

The product of its digits is 6220800, while the sum is 52.

The spelling of 38315465863 in words is "thirty-eight billion, three hundred fifteen million, four hundred sixty-five thousand, eight hundred sixty-three".